If a ray of light goes from a rarer medium to a denser medium, will it bend towards the normal or away from it?
If a ray of light goes from a rarer medium to a denser medium, it bends towards the normal.
When a ray of light from air enters a denser medium, it :
(a) bends away from the normal
(b) bends towards the normal
(c) goes undeviated
(d) is reflected back.